private bool TryReadPrimitiveOctetStringBytes( Asn1Tag expectedTag, UniversalTagNumber universalTagNumber, out ReadOnlyMemory <byte> contents) { AsnValueReader valueReader = OpenValueReader(); ReadOnlySpan <byte> span; if (valueReader.TryReadPrimitiveOctetStringBytes(expectedTag, universalTagNumber, out span)) { contents = AsnValueReader.Slice(_data, span); valueReader.MatchSlice(ref _data); return(true); } contents = default; return(false); }